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Spinal Anat Muscles

Spinal Anatomy Muscles

CN VII (facial) buccinator, orbicularis oris, mentalis, zygomaticus, orbicularis oculi
CN XII genioglossus, hyoglossus, styloglossus
CN V temporalis, masseter, medial pterygoid, lateral pterygoid
CN VII platysma
CNs V & VII digastric (2 bellies)
CN VII stylohyoid
CN V mylohyoid
C1 via CN XII geniohyoid
C1-C3 sternohyoid, sternothyroid, omohyoid (2 bellies)
C1 via CN XII thyrohyoid
primary rami C2-C8 longus colli
Primary rami C5-C8 scalenus anterior
Primary rami C3-C4 scalenus medius
Primary rami C5-C8 scalenus posterior
Superior Oblique, RCPMajor, Inferior Oblique, Suboccipital Nerve & Vertebral Artery Contents of Suboccipital Triangle
Labia Majora (females) scrotum (males)
Greater Vestibular glands (bartholin's) (females) bulbourethral glands (males)
TP--> spinouses - ext/contralateral rotation multifidus
TP --> lamina/SP - extension/rotation rotatores
TP --> TP - lateral flexion intertransversarii
SP --> SP - extension interspinalis
ilium --> ribs - extends & ipsilateral flexion iliocostalis
TP --> TP/ribs - extends & ipsilalteral flexion longissimus
SP --> SP - extends & ipsilateral flexion spinalis
lower border - ribs --> upper border rib below - elevate ribs external intercostals
lower border - ribs --> upper border rib below - depress ribs, interchondral part elevates ribs internal intercostals
posterior sternum & xiphoid --> costal cartilages 2-6 - depresses ribs Transverse thoracic
inner, lower ribs near angles --> upper borders of ribs 2 or 3 below - elevates ribs subcostalis
external oblique, internal oblique, transverse, rectus abdominis, cremaster muscles of anterior abdominal wall
quadratus lumborum, psoas major, psoas minor muscles of posterior abdominal wall
piriformis, obturator internus muscles of lateral pelvis wal
levator ani (pubococcygeus, puborectalis, iliococygeus), coccygeus muscles of pelvic floor
sphincter urethrae, deep transverse perinei muscles of urogenital diaphragm
ischiocavernosus, bulbospongiosus, superficial transversus perinei superficial perineum muscles
Mandibular branch of V3, abducens VI, malleus, incus, muscles of mastication and jaw-closing muscles Branchial Arch 1
facial VII, stapes, styloid, muscles of facial expression and jaw opening muscles Branchial Arch 2
glossopharyngeal IX, cornu, hyoid, stylopharyngeus Branchial Arch 3
superior laryngeal of vagus X, thyroid cartilage, cricoid cartilage, pharyngeal, cricothyroid Branchial Arch 4
inferior laryngeal of vagus X, arytenoid, corniculate cartilage, cuneiform cartilage, laryngeal Branchial Arch 6
Created by: danielledc2b